This mount with an SO239 connection is made to support the SS34+ Telescopic Whip, which screws into the mount when it is deployed with the SS34+ Guying Kit.
SS34+ Mount
$89.00
Mount for the SS34+ Whip
Options
1 × 2-40M, 34' 6" Telescopic Element (Pre-Order)
$149.00
1 × SS17+ Mast Guying Adapter Kit
Availability: In stock
$65.00